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Smoky Quartz
Smoky Quartz

Variscite
Variscite



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Smoky Quartz
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Variscite

Smoky Quartz and Variscite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65
2.42-2.58
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
{0110} Indistinct
[010] perfect
1.7 Mohs Hardness
7
4-5
1.8 Chemical Composition
SiO2
AlPO4 · 2(H2O)

Smoky Quartz and Variscite Chemical Formula

While comparing Smoky Quartz and Variscite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Smoky Quartz and Variscite chemical formula.

  • Chemical formula of Smoky Quartz- SiO2
  • Chemical formula of Variscite- AlPO4 · 2(H2O)

Smoky Quartz and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Variscite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 2.42-2.58 whereas that of Variscite is 2.42-2.58.